Open Today! Sales: 9am-6pmService: 8am-5pm

*$140 instant rebate on the purchase of a set (4 tires) of Bridgestone Blizzak winter tires when you purchase, finance or lease an eligible 2022-2025 GM vehicle between January 3, 2024 to December 31, 2024. New retail vehicles only; purchase, finance or lease of used, certified pre-owned or fleet vehicles not eligible for offer. Eligible tires must be purchased at time of delivery of vehicle. Rebate is non-stackable with other Bridgestone consumer offers. Rebate applied before applicable taxes. Offer is subject to tire availability. No rain checks available. This offer may be changed, cancelled or extended at any time without notice. Conditions apply. See participating dealer for details.
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Buick, GMC Buick, GMC

Commercial Vehicles

We get it. When it comes to your fleet, you can’t afford mistakes. You need the right vehicles, customized to your specific business needs. You need a dealer you can count on and you need every dollar to count.

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GMC Savannah with commercial storage system
Dealership Exterior with Employees

Welcome to Mills Motors Buick GMC

Your vehicle is one of the most important things you own. It gets you to work, gets your kids to school, helps you run errands around town, and lets you take to the open road. For something so essential to everything you do, you want to rely on the very best dealership in the area for sales, financing, service, and parts. That dealership is Mills Motors Buick GMC.

The first thing people notice when they visit us in person is the size of our inventory. We carry the full lineup of new vehicles from Buick and GMC. There are many options for every driver and every budget. We also have a huge inventory of pre-owned vehicles from other major automakers, which makes it easy to comparison shop. When the right vehicle jumps out at you, our expert financing department is here to get you approved for the loan you need quickly at a competitive rate.

Once you’re on the road, trust our professional service department to handle all your long-term maintenance and repair needs. You car is in good hands with our team, and we will do everything possible to provide superior work faster and at a lower price. You can also take advantage of our parts department to find official parts and accessories for purchase for all Buick and GMC vehicles.

Car shoppers from far and wide choose to work with us a because of our total commitment to customer service. We will do whatever it takes to ensure your experience accommodates all your needs, saves you money, respects your time, and leaves you fully satisfied. Visit us in person Monday through Saturday at 240 Bond Street East in Oshawa, and contact us if we can answer any of your questions.

 

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Our Reviews

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Google Mar 31, 2024

Best service. My friend Jim always makes sure the transaction is smooth. The customer service team made sure that the car maintenance is proper. They value the customers and best in the game…

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Google Mar 17, 2024

Great experience all around!

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Google Feb 2, 2024

Wow, these guys know there stuff. Brought my truck back to life , fixed a problem that a lot of mechanics couldn't. Very impressed. Back to driving my truck safely .Thank-you an your team. Ken Simmons 😁

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Google Dec 13, 2023

Amazing experience, very knowledgeable and very welcoming staff.

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Google Nov 18, 2023

Jeremy was great. The whole staff was. Got me in quick. Got my truck fixed before the weekend

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Google Nov 14, 2023

Mills motors when every one couldn't have time to work on my vehicle one call and mills gave me an appointment on the spot.

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DealerRater Jan 20, 2023

Incredible service! I took my car in there and the process was smooth and efficient. Jeremy was great to deal with. Thanks again.

Read at DealerRater

We are conveniently located at 240 Bond Street, Oshawa, ON L1G 1B5 (At the corner of Ritson and Bond, across from Costco)


Buy From Home Value Your Trade!
Buy From Home Value Your Trade!

Main: (905) 436 1500

Service: (905) 432 7333

Parts: (905) 723 8105

Collision Centre:

Mills Motors Buick GMC 43.9013761, -78.8554195.